Although the spatial levels of quadrangles all belong to the spatial form-that is, the closed spatial form from the inside out * * * all reflect or serve the social system. The ancient city is a well-known political institution, military strength and people's rest. Outside the capital, Guang Chuan village lived and built houses, and the independent Eastern Zhou Dynasty opened the mode of city or several cities. Therefore, it is called family space mode.
For example, manuscripts and commemorative sculptures have appeared, but the most famous ones are goldsmiths' works, such as bronze or ivory sculptures. Large-scale murals are obviously not paid much attention to, and the production and production are relatively rough, which makes contemporary authors rarely mention them. Although they are often regarded as decorations and cheap but inferior substitutes "mosaics" in recent centuries, they are regarded as an art in this period.